Add quota support and small others changes

omr-quota/files/etc/config/omr-quota

@@ -0,0 +1,15 @@
+config interface 'wan1'
+        option enabled '0'
+        option txquota '100000'
+        option rxquota '400000'
+        option ttquota '500000'
+        option interval '10'
+        option interface 'wan1'
+
+config interface 'wan2'
+        option enabled '0'
+        option txquota '100000'
+        option rxquota '400000'
+        option ttquota '500000'
+        option interval '10'
+        option interface 'wan2'

omr-quota/files/etc/init.d/omr-quota

@@ -0,0 +1,54 @@
+#!/bin/sh /etc/rc.common
+
+{
+	START=90
+	STOP=10
+	USE_PROCD=1
+}
+
+_validate_section() {
+	uci_validate_section omr-quota "$1" "$2" \
+		'txquota:uinteger'  \
+		'rxquota:uinteger'  \
+		'ttquota:uinteger'  \
+		'interval:uinteger' \
+		'interface:string' \
+		'enabled:bool:0'
+}
+
+_launch_quota() {
+	local txquota rxquota ttquota interval enabled interface
+	_validate_section "interface" "$1"
+
+	[ -z "$txquota" ] && [ -z "$rxquota" ] && [ -z "$ttquota" ] && return
+	[ $enabled = 0 ] && return
+
+	[ "$(uci get vnstat.@vnstat[-1].interface | grep $interface)" = "" ] && {
+		uci -q batch <<-EOF
+			add_list vnstat.@vnstat[-1].interface=$interface
+		EOF
+	}
+	procd_open_instance
+	procd_set_param command /bin/omr-quota "$interface"
+	procd_append_param env "OMR_QUOTA_TX=$txquota"
+	procd_append_param env "OMR_QUOTA_RX=$rxquota"
+	procd_append_param env "OMR_QUOTA_TT=$ttquota"
+	procd_append_param env "OMR_QUOTA_INTERVAL=$interval"
+	procd_set_param respawn 0 10 0
+	procd_set_param stderr 1
+	procd_close_instance
+}
+
+start_service() {
+	config_load omr-quota
+	config_foreach _launch_quota interface
+}
+
+service_triggers() {
+	procd_add_reload_trigger omr-quota network
+}
+
+reload_service() {
+	stop
+	start
+}

omr-quota/files/etc/uci-defaults/omr-quota

@@ -0,0 +1,8 @@
+#!/bin/sh
+uci -q batch <<-EOF
+    delete ucitrack.@omr-quota[-1]
+    add ucitrack omr-quota
+    set ucitrack.@omr-quota[-1].init="omr-quota"
+    add_list ucitrack.@network[-1].affects="omr-quota"
+    commit ucitrack
+EOF